Visitors per year
| | 2013 |  19 | | 2014 | 135 | | 2015 | 86 | | 2016 | 86 | | 2017 | 54 | | 2018 | 75 | | 2019 | 52 | | 2020 | 235 | | 2021 | 195 | | 2022 | 98 | | 2023 | 67 |
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Visitors per month (2023)
| | January |  5 | | February | 8 | | March | 4 | | April | 4 | | May | 4 | | June | 3 | | July | 3 | | August | 4 | | September | 14 | | October | 5 | | November | 11 | | December | 2 |
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Visitors per day (December 2023)
| | 1 |  | | 2 | | | 3 | | | 4 | | | 5 | 1 | | 6 | 1 | | 7 | | | 8 | |
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